/* eslint-disable no-empty */
/**
 * 精确计算
* /

/**
  * @date 2025/07/13
  * @author wolfMan
  * @description {精确加法计算}
*/
export function add (arg1, arg2) {
  arg1 = arg1 || 0;
  arg2 = arg2 || 0;
  let r1, r2, m, n;
  try {
    r1 = arg1 ? arg1.toString().split('.')[1].length : 0;
  } catch (e) {
    r1 = 0;
  };
  try {
    r2 = arg2 ? arg2.toString().split('.')[1].length : 0;
  } catch (e) {
    r2 = 0;
  };
  m = Math.pow(10, Math.max(r1, r2));
  // 动态控制精度长度
  n = (r1 >= r2) ? r1 : r2;
  return ((arg1 * m + arg2 * m) / m).toFixed(n);
};

/**
  * @date 2025/07/13
  * @author wolfMan
  * @description {精确减法计算}
*/
export function subtract (arg1, arg2) {
  arg1 = arg1 || 0;
  arg2 = arg2 || 0;
  let r1, r2, m, n;
  try {
    r1 = arg1 ? arg1.toString().split('.')[1].length : 0;
  } catch (e) {
    r1 = 0;
  };
  try {
    r2 = arg2 ? arg2.toString().split('.')[1].length : 0;
  } catch (e) {
    r2 = 0;
  };
  m = Math.pow(10, Math.max(r1, r2));
  // 动态控制精度长度
  n = (r1 >= r2) ? r1 : r2;
  return ((arg1 * m - arg2 * m) / m).toFixed(n);
};

/**
  * @date 2025/07/13
  * @author wolfMan
  * @description {精确乘法计算}
*/
export function multiply (arg1, arg2) {
  arg1 = arg1 || 0;
  arg2 = arg2 || 0;
  let m = 0;
  let s1 = arg1 ? arg1.toString() : 0;
  let s2 = arg2 ? arg2.toString() : 0;
  try {
    m += s1.split('.')[1].length;
  } catch (e) {};
  try {
    m += s2.split('.')[1].length;
  } catch (e) {};
  return Number(s1?s1.replace('.', ''):0) * Number(s2?s2.replace('.', ''):0) / Math.pow(10, m);
};

/**
  * @date 2025/07/13
  * @author wolfMan
  * @description {精确除法计算}
*/
export function divide (arg1, arg2) {
  arg1 = arg1 || 0;
  arg2 = arg2 || 0;
  let t1 = 0;
  let t2 = 0;
  let r1, r2;
  try {
    t1 = arg1 ? arg1.toString().split('.')[1].length : 0;
  } catch (e) {};
  try {
    t2 = arg2 ? arg2.toString().split('.')[1].length : 0;
  } catch (e) {};
  r1 = Number(arg1.toString().replace('.', ''));
  r2 = Number(arg2.toString().replace('.', ''));
  return (r1 / r2) * Math.pow(10, t2 - t1);
};